Earliest eon of the earth's history
A. Cenozoic Era
B. Precambrian
C. Trilobite
D. Mesozoic Era
Answer: the Mesozoic era came before the others however the accurate earliest eon is the Hadeon to be exact, but from the options you provided, answer it D.
Explanation:
Give one reason why some people do not approve of using contraceptives. [1]
Answer:
Reasons for failure to continue to use contraception include the following: for some, the risk of producing an unwanted pregnancy adds flavor to the sexual act; some women rationalize their sexual activity, and this usually leads to discontinuation of contraceptive use; failure to change the contraceptive when needs
Explanation:
HELLLP HURRRY I NEED HELP
Answer:
I go with C which says the dark mice are hard to be seen against the dark. Because of this the dark mice lived to reproduction age and reproduce more dark mice.
what feature of the red blood cells aloows for the determination of ABO blood types and Rh factors?
Answer:
ABO Typing
Explanation:
The test to determine your blood group is called ABO typing.
The presence or absence of the antigens A and B determines ABO blood types and Rh factors.
What is Antigen?This is defined as any substance that causes your immune system to produce antibodies against it.
Determination of ABO blood types and Rh factors is a result of the presence or absence of the antigens A and B found on the surface of red blood cells.
Read more about Antigens here https://brainly.com/question/905225
Help
What is digestion? Compare and Contrast monogastric and ruminant digestion. Which animals are ruminants and which are monogastric? What organs do ruminants have to help them digest? What chemical compound can ruminants digest that ruminants cannot?
What organs do birds like chickens have and why? What is unique about a horse's digestion
Answer:
Liver
Explanation:
Any body watch to tpye a 500 word eassy :))))))))) pls
about photosynthesis gas
Explanation:
detach it from or reattach it to the ATP molecule (Brandt). A main reason this is important is because as it was stated earlier, almost all organisms obtain and store their energy through the use of ATP. It is important to note that this energy comes from the energy stored in the bonds of the ATP molecule; therefore, breaking the bonds will release energy and the building of the bonds will require energy. Using this background knowledge, the question can be addressed more thoroughly. Most plants (a fruit in this case) make their own energy through the use of photosynthesis. The basic process of photosynthesis occurs as: light energy (sun) + 6 H2O + 6 CO2 6 O2 + C6H12O6 This is a simplified version of the equation and one must keep in mind that the reaction does not simply occur as written. There are many processes that must take place before the final product, glucose, is produced. Conceptually, photosynthesis is the reverse of cellular…
Which of the following would cause an error in DNA replication?
A. DNA polymerase pairing A with G
B. DNA ligase connecting chunks of DNA
C. Helicase making a replication fork
D. DNA polymerase checking the DNA
Answer:
A. DNA polymerase pairing A with G
Explanation:
Adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G).
DNA polymerase pairing A with G would cause an error in DNA replication. The correct option is A.
An error in DNA replication occurs when an incorrect nucleotide is inserted during the replication process.
DNA polymerase is responsible for synthesizing a new DNA strand by adding complementary nucleotides to the existing template strand.
It ensures the accuracy of replication by matching each nucleotide with its complementary partner (A with T and G with C).
If DNA polymerase pairs A with G instead of A with T, it results in a mismatched base pair.
This is considered an error in DNA replication since it introduces a mutation in the newly synthesized DNA strand.
The fidelity of DNA replication relies on the correct base pairing and proofreading mechanisms of DNA polymerase to minimize errors and maintain the integrity of the genetic information.
Thus, the correct option is A.
To know more about DNA replication, click here:
https://brainly.com/question/30111562
#SPJ5
_____ is a force caused by air that slows objects down
Answer:
Drag
Explanation:
Drag is a force caused by air that slows objects down
Friction is a major force that slows the object down, air resistance is a type of frictional force.
What is air resistance?Air resistance is a kind of frictional force that slows down an object from moving in a particular direction.
During the movement an object has a particular speed for movement, speed depends on how friction works, more friction slows the speed of an object a low friction allows the object to at a particular speed.
Air is a mixture of gases and particles in the atmosphere, these particles create a force during the movement of an object in the air, and these forces decide the actual speed of object movement.
Therefore air resistance is a force that slows the object.
Learn more about air resistance, here:
https://brainly.com/question/19165683
#SPJ2
What kind of seeds should farmers plants in order to grow giant pumpkins,and why is this important?
Answer:
pumpkin need too much of sunny place.
What happens if the mRNA strand is not transcribed properly?
A student studied drawings of the following five insects from the order of Coleoptera. Which two insects are most closely related?
Answer:
D.
Explanation:
if you look at the names of the species, the first part is the same, which means they aare closely related to some point. When you look at the picture, you also notice the species look strikingly alike.
Answer:
d
Explanation:
Which type of cell is capable of making its own sugars
Answer:
In a plant cell, chloroplast makes sugar during the process of photosynthesis converting light energy into chemical energy stored in glucose
Explanation:
I hope that helps
As a human advances in age, their nervous system cells rarely divide. Which stage of the cell cycle are those cells in?
A. metaphase
B. telophase
C. interphase
D. cytokinesis
E. mitosis
F. metaphase
Answer:
i think E mitosis
Explanation:
In shorthorn cattle, color shows incomplete dominance. A red cow has the genotype RR. A white cow
has the genotype ww. Heterozygous cattle are called Roan (red and white spotted) (RW).
1. Cross a red bull with a roan cow. Show the Punnett Square:
% Red Cow
% Roan Cow
% White Cow
Answer:
red cow would be 50% and the same for a roan cow
Cross a Red Bull with a roan cow. The Punnett Square are
% Red Cow = 25% red
% Roan Cow = 50% roan
% White Cow = 25% white
What is a Punnett square?A Punnett square is a square with a block that is used to see and describe the offspring of the next generation. It contains both genotypes, dominant and recessive, and then there is a crossing over.
Given that, the red cow has genotype RR
A white cow has the genotype ww.
Heterozygous cattle are called Roan (red and white spotted) (RW).
When RR (red) is crossed with WW (white), it results in a roan color.
RR (red) x WW (white) = RW (roan)
Two roan individuals are then mated.
RW x RW
RR RW RW WW
Offspring
1/4 RR - Red
1/2 RW - Roan
1/4 WW - White
Hence, the offspring are expected to be 25% red, 50% roan, and 25% white.
To learn more about Punnett square, refer to the link:
https://brainly.com/question/9461890
#SPJ2
True or False: Our organ systems work separately and do not interact with each other at all in our bodies
Which tissues are in both leaves and roots? (Select all that apply.)
xylem
phloem
stomata
pistil
Answer:
the answer is phloem and xylem
Explanation:
they are both in the leave and the roots.
Which statement is true about
electrically charged particles?
A. neutrons are positive, electrons are negative
B. protons are negative, neutrons are positive
C. protons are positive, electrons are negative
Answer:
C
Explanation:
protons are positive neutrons are neutral and electrons are negative
In an electrically charged particles protons are positive and electrons are negative.
Neutron has a positive electrical charge?The charge on neutron is zero(no charge). The charge on the proton and electron are exactly the same size but opposite. The same number of protons and electrons exactly cancel one another and so atoms are neutral. Protons have positive or negative?A proton carries a positive charge and an electron carries a negative charge.so the atoms of elements are neutral, all the positive charges canceling out all the negative charges. Atoms differ from one another in the number of protons, neutrons and electrons they contain.Learn more about electrical charge here: http://brainly.brainly.com/question/1487561
#SPJ2
______ contains many wavelengths and is similar to sunlight at noon on a bright day.
A. Ultraviolet
B. White light
C. infrared
D. Visible light
Answer:
It should be D.
Explanation:
I hope this helps
Which part of the neuron below is indicated by the arrow, and what is its function?
A. The axon carries information through electrical impulses away from the cell body to the axon terminals and then to other neurons, muscles, or glands.
B. The axon contains the nucleus that controls all the activities of the cell.
C. The dendrites regulate the substances that go in and out of the cell.
D. The dendrites carry the electrical impulses from the signal receivers to the cell body.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
[tex]\red{\bigstar}[/tex] Which part of the neuron below is indicated by the arrow, and what is its function?
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
[tex]\pink{\bigstar}[/tex] [tex]\large\underline{\underline{\bold\green{Option. D}}}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
✯ The dendrites carry the electrical impulses from the signal receivers to the cell body.
Put the phases of cell division (sex cells ) in order there are 12
Answer:
Prophase I, prometaphase, metaphase I, anaphase I, telophase I, and cytokinesis, interphase, prophase II, prometaphase II, metaphase II, anaphase II, telophase II, and cytokinesis.
Explanation:
Prophase I, prometaphase, metaphase I, anaphase I, telophase I, and cytokinesis, interphase, prophase II, prometaphase II, metaphase II, anaphase II, telophase II, and cytokinesis are the 12 phases of cell division that occurs in the sex cells of human body. These double phases allow the sex cells to produce four daughter cells from a single parent cell but the chromosomes number is half in each daughter cell.
???Help please ??????
Answer:
I dont think so
Explanation:
Space has a lack of air, which is how sound travels. It may make some sound, but not alot
Answer:
If they are in space then it is not realistic because sound does not travel in space. Sound is vibrations bouncing off of molecules, but there are no molecules in space to bounce off of.
Explanation:
What evidence is there that Joule had an exceptional education?
Please help I need the term’s definitions
17 points,
don’t copy and paste
Answer:
There you go :3
Explanation:
Paramecium- A single-celled freshwater animal that has a characteristic slipper-like shape and is covered with cilia.
Protist- A single-celled organism of the kingdom Protista, such as a protozoan or simple alga.
Protozoan- A single-celled microscopic animal of a group of phyla of the kingdom Protista, such as an amoeba, flagellate, ciliate, or protozoan.
Pseudopod- A pseudopod or pseudopodium (plural: pseudopods or pseudopodia) is a temporary arm-like projection of a eukaryotic cell membrane that are developed in the direction of movement.
Pellicle- Pellicle (biology), a thin layer supporting the cell membrane in various protozoa. Pellicle mirror, a thin plastic membrane which may be used as a beam splitter or protective cover in optical systems.
Slime Mold- Any of a group (such as Myxomycetes) of organisms formerly held to be lower fungi but now often considered protists that exist vegetative in usually moist habitats as mobile plasmodia and reproduce by spores.
Which of Earth's layers is the thinnest?
OA.
outer core
ОВ.
crust
OC.
mantle
OD.
inner core
What process will the cell use to make viral proteins?
Answer:
Transcription / mRNA production
Explanation:
How do you get rid of homologous chromosomes? PLEASE ANSWER
Answer:
In metaphase I, the tetrads line themselves up at the metaphase plate and homologous pairs orient themselves randomly. In anaphase I, centromeres break down and homologous chromosomes separate. In telophase I, chromosomes move to opposite poles; during cytokinesis the cell separates into two haploid cells.
Damage to the brain can sometimes occur as the result of an accident.
State the part of the brain labeled A and suggest a problem that may be
experienced by a person who has damage to that part of the brain.
Answer:
A traumatic brain injury interferes with the way the brain normally works. When nerve cells in the brain are damaged, they can no longer send information to each other in the normal way. This causes changes in the person's behavior and abilities. The injury may cause different problems, depending upon which parts of the brain were damaged most.
Why are sex-linked traits like hemophilia less common in females than males?
A. Females would need to inherit two X chromosomes containing the recessive trait.
B. Females would need to inherit one X chromosome containing the recessive trait.
C. Females would need to inherit one Y chromosome containing the recessive trait.
D. Females would need to inherit two Y chromosomes containing the recessive trait.
Answer:
A. Females would need to inherit two X chromosomes containing the recessive trait.
What are the 2 key structures in the protein building process during this
step?
Answer: two major steps: transcription and translation
Explanation:
Together, transcription and translation are known as gene expression. During the process of transcription, the information stored in a gene's DNA is transferred to a similar molecule called RNA (ribonucleic acid) in the cell nucleus.
What are the qualities of greenhouse gas? Select the two correct answers.
A. transparent to infrared radiation
B. three or more atoms in a molecule
C. produced by human activity
D. absorbs and re-emits infrared radiation
E. composed of single atoms, not molecules
Answer:
produced by human activity
absorbs and re-emits infrared radiation
Explanation:
produced by human activity
absorbs and re-emits infrared radiation